3way ported, 57.4 Hz (-6dB)
3way ported
3way Ported, 33.1 Hz (-6dB)
3way closed, 70.2 Hz (-6dB)
3way closed, 70.7 Hz (-6dB)
3way closed, 49.3Hz (-6dB)
3way Ported, 30Hz(-6dB)
